openSUSE 16 Security Update : trivy (openSUSE-SU-2026:21835-1)

medium Nessus Plugin ID 346193

Language:

Synopsis

The remote openSUSE host is missing one or more security updates.

Description

The remote openSUSE 16 host has a package installed that is affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21835-1 advisory.

- CVE-2026-53495: containerd: CRI ExecSync goroutine leak can lead to node-level denial of service (bsc#1280111).
- CVE-2026-56854: golang.org/x/crypto/ssh: unenforced source-address restrictions across non-public-key authentication callbacks can cause authorization bypasses and unauthorized client logins (bsc#1278624).
- CVE-2026-56855: golang.org/x/crypto/ssh: unhandled RFC 4254 channel messages can cause connection deadlocks and denial of service (bsc#1278624).
- CVE-2026-78662: golang.org/x/crypto/ssh: unvalidated incoming requests on unestablished channels can cause connection deadlocks and denial of service (bsc#1278624).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected trivy package.

Plugin Details

Severity: Medium

ID: 346193

File Name: openSUSE-2026-21835-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 9/16/2026

Updated: 9/16/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.6

CVSS v2

Risk Factor: High

Base Score: 8.5

Temporal Score: 6.3

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:N

CVSS Score Source: CVE-2026-56854

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS Score Source: CVE-2026-78662

CVSS v4

Risk Factor: Medium

Base Score: 6.8

Threat Score: 4.3

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CVSS Score Source: CVE-2026-53495

Vulnerability Information

CPE: cpe:/o:novell:opensuse:16.0, p-cpe:/a:novell:opensuse:trivy

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 9/14/2026

Vulnerability Publication Date: 8/28/2026

Reference Information

CVE: CVE-2026-53495, CVE-2026-56854, CVE-2026-56855, CVE-2026-78662

Detections

Analytics